Nicolás Guarín-Zapata nicoguaro
nicoguaro
/ 01a_fem1d_global_sym.ipynb
Last active
September 29, 2023 01:57
Notebooks con implementaciones sencillas del método de elementos finitos para la ecuación de Poisson y de Helmholtz.
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| import numpy as np | |
| import matplotlib.pyplot as plt | |
| from skimage import measure | |
| y, x, z = np.mgrid[-2:2:100j, -2:2:100j, -2:2:100j] | |
| f = (x**2 + 9/4*y**2 + z**2 - 1)**3 - x**2 * z**3 - 9/80*y**2*z**3 | |
| verts, faces, _, _ = measure.marching_cubes(f, 0, spacing=(0.1, 0.1, 0.1)) | |
| fig = plt.figure() |
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| # -*- coding: utf-8 -*- | |
| """ | |
| Eigenvalues for matrices with random entries with values of 1 or -1 | |
| @author: Nicolás Guarín-Zapata | |
| @date: November 2022 | |
| """ | |
| import numpy as np | |
| import matplotlib.pyplot as plt |
nicoguaro
/ nonstandard_fd.png
Last active
May 31, 2022 21:01
Toy examples for Nonstandard Finite Differences.
nicoguaro
/ sine_lines.py
Last active
October 11, 2021 23:16
Effect of waves moving. Inspired by Juan Carlos Ponce https://mobile.twitter.com/jcponcemath/status/1447388869033283591?t=UJAyYdVEGm3DYvp-ESCByA&s=09
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| #!/usr/bin/env python3 | |
| # -*- coding: utf-8 -*- | |
| """ | |
| Effect of waves moving. | |
| Inspired by Juan Carlos Ponce | |
| https://mobile.twitter.com/jcponcemath/status/1447388869033283591?t=UJAyYdVEGm3DYvp-ESCByA&s=09 | |
| Alt-text: 5 waves propagating from left to right. They are depicted |
nicoguaro
/ simple_pendulum.ipynb
Last active
September 1, 2021 16:29
LDDS Review process at JOSS https://github.com/openjournals/joss-reviews/issues/3482
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nicoguaro
/ eig_prob.py
Created
August 23, 2021 22:09
Soluton of an eigenvalue problem using finite differences
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| """ | |
| Problem proposed in: | |
| https://scicomp.stackexchange.com/a/38968/9667 | |
| @author: Nicolás Guarín-Zapata | |
| @date: August 2021 | |
| """ |
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nicoguaro
/ beam_cantilever.gif
Last active
June 5, 2021 21:50
